KID-FRIENDLY TRAIN SET: This BRIO World 33401 Beginner's Expansion Pack includes 11 pieces of wooden train tracks, meticulously designed for kids aged 3 and up to foster their motor skills and creativity SUSTAINABLE TOY: Proudly crafted with FSC-certified wood from well-managed forests, ensuring a sustainable and eco-friendly toy that parents and kids will love EXPANDABLE AND COMPATIBLE: This train set is designed to grow with your child's imagination, fully compatible with all BRIO railway toys for endless railway adventures SKILL DEVELOPMENT: Playing with the train set aids children in understanding their environment while enhancing their motor skills in a fun, engaging way SAFETY COMES FIRST: Undergoes rigorous safety tests annually to ensure it meets all safety standards, providing a safe and reliable toy for your children's playtime